---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-26-393151"
form_type: "8-K"
ticker: "TPST"
cik: "0001544227"
company_name: "Tempest Therapeutics, Inc."
filed_at: "2026-09-16T20:37:26+00:00"
generated_at: "2026-09-16T20:38:13.477678+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Tempest's charter amendment vote fails to pass at Sept 15 meeting; reconvenes Oct 14

## Summary
- Special meeting reconvened Sept 15, 2026; quorum of 10,760,144 shares (72.7% outstanding) present.
- Proposal to replace supermajority voting and allow written consent requires 75% affirmative vote; not achieved.
- Meeting adjourned to Oct 14, 2026 at 12:00 pm ET via webcast; record date remains May 28, 2026.
- Proxies already submitted will be voted unless revoked; no changes to proposal.
- Company engaged Sodali & Co. to assist with proxy solicitation for the vote.

## SEC filing metadata
- accession: 0001193125-26-393151
- form_type: 8-K
- ticker: TPST
- cik: 0001544227
- company_name: Tempest Therapeutics, Inc.
- filed_at: 2026-09-16T20:37:26+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.07, 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1544227/000119312526393151/0001193125-26-393151-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1544227/000119312526393151/d151966d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-26-393151
- JSON: https://secwatch.observer/filing/0001193125-26-393151.json
- Plain text: https://secwatch.observer/filing/0001193125-26-393151.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.